<!DOCTYPE html>
<html lang="zh">
<head>
	<meta charset="UTF-8">
	<title>Title</title>
</head>
<body>

</body>
</html>
<script>
	function F() {
	
	}
	Object.prototype.a=function () {
		console.log("a()")
	}
	Function.prototype.b=function () {
		console.log("b()")
	}
	let f=new F();
	console.log(f)
	f.a();

	F.a();
	F.b();
</script>
